Synthesis and Study of Bismuth Nanoparticles on Graphene

被引：8
|
作者：
Buslaeva, E. Yu. [1 ]
Kraevskii, S. V. [2 ,3 ]
Groshkova, Yu. A. [1 ]
Tkachev, S. V. [4 ]
Gubin, S. P. [1 ]
机构：
[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
[2] Fed Med & Biol Agcy, Fed Res & Clin Ctr Physicochem Med, Moscow 119435, Russia
[3] Natl Res Ctr, Kurchatov Inst, Alikhanov Inst Theoret & Expt Phys, Moscow 123098, Russia
[4] OOO Akkolab, Moscow 129110, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2020年 / 65卷 / 01期
关键词：
nanocomposites; graphene oxide; nanoparticles; OXIDE;
D O I：
10.1134/S0036023620010040
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two methods to synthesize Bi/Gr composites of Bi nanoparticles on graphene were developed: a three-step one (method I) and a two-step one (method II). By these methods, the composites are synthesized in supercritical isopropanol (SCI) through bismuth oxide on graphene oxide (GO): Bi2O3/GO. A distinguishing feature of this work is the fact that SCI is both a reducer, and a reaction medium, and it reduces both GO, and Bi2O3 nanoparticles. The obtained nanocomposites were studied by X-ray powder diffraction analysis, transmission electron microscopy, atomic force microscopy, and Raman spectroscopy. Methods I and II produced Bi/Gr nanocomposites with average bismuth nanoparticle sizes of similar to 4 and 40-80 nm, respectively.
引用
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页码：5 / 12
页数：8
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